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242669136 = 24323219809
BaseRepresentation
bin11100111011011…
…01011001010000
3121220121212110210
432131231121100
5444110403021
640025124120
76004440123
oct1635553120
9556555423
10242669136
11114a86a06
1269329640
133b376a08
142432c3ba
1516486e76
hexe76d650

242669136 has 40 divisors (see below), whose sum is σ = 654154560. Its totient is φ = 77372416.

The previous prime is 242669099. The next prime is 242669137. The reversal of 242669136 is 631966242.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 242669094 and 242669103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242669137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108801 + ... + 111008.

It is an arithmetic number, because the mean of its divisors is an integer number (16353864).

Almost surely, 2242669136 is an apocalyptic number.

It is an amenable number.

242669136 is an abundant number, since it is smaller than the sum of its proper divisors (411485424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242669136 is a wasteful number, since it uses less digits than its factorization.

242669136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219843 (or 219837 counting only the distinct ones).

The product of its digits is 93312, while the sum is 39.

The square root of 242669136 is about 15577.8411854788. The cubic root of 242669136 is about 623.7417981714.

The spelling of 242669136 in words is "two hundred forty-two million, six hundred sixty-nine thousand, one hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 16 23 24 46 48 69 92 138 184 276 368 552 1104 219809 439618 659427 879236 1318854 1758472 2637708 3516944 5055607 5275416 10111214 10550832 15166821 20222428 30333642 40444856 60667284 80889712 121334568 242669136